92 lines
3.5 KiB
C
92 lines
3.5 KiB
C
/* Copyright (C) 2007-2014 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _NET_BATMAN_ADV_SEND_H_
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#define _NET_BATMAN_ADV_SEND_H_
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int batadv_send_skb_packet(struct sk_buff *skb,
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struct batadv_hard_iface *hard_iface,
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const uint8_t *dst_addr);
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int batadv_send_skb_to_orig(struct sk_buff *skb,
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struct batadv_orig_node *orig_node,
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struct batadv_hard_iface *recv_if);
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void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface);
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int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv,
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const struct sk_buff *skb,
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unsigned long delay);
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void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work);
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void
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batadv_purge_outstanding_packets(struct batadv_priv *bat_priv,
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const struct batadv_hard_iface *hard_iface);
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bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
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struct sk_buff *skb,
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struct batadv_orig_node *orig_node,
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int packet_subtype);
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int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
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struct sk_buff *skb, int packet_type,
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int packet_subtype, uint8_t *dst_hint,
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unsigned short vid);
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int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
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unsigned short vid);
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/**
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* batadv_send_skb_via_tt - send an skb via TT lookup
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* @bat_priv: the bat priv with all the soft interface information
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* @skb: the payload to send
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* @vid: the vid to be used to search the translation table
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*
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* Look up the recipient node for the destination address in the ethernet
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* header via the translation table. Wrap the given skb into a batman-adv
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* unicast header. Then send this frame to the according destination node.
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*
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* Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
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*/
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static inline int batadv_send_skb_via_tt(struct batadv_priv *bat_priv,
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struct sk_buff *skb, uint8_t *dst_hint,
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unsigned short vid)
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{
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return batadv_send_skb_via_tt_generic(bat_priv, skb, BATADV_UNICAST, 0,
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dst_hint, vid);
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}
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/**
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* batadv_send_skb_via_tt_4addr - send an skb via TT lookup
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* @bat_priv: the bat priv with all the soft interface information
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* @skb: the payload to send
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* @packet_subtype: the unicast 4addr packet subtype to use
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* @vid: the vid to be used to search the translation table
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*
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* Look up the recipient node for the destination address in the ethernet
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* header via the translation table. Wrap the given skb into a batman-adv
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* unicast-4addr header. Then send this frame to the according destination
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* node.
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*
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* Returns NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise.
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*/
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static inline int batadv_send_skb_via_tt_4addr(struct batadv_priv *bat_priv,
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struct sk_buff *skb,
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int packet_subtype,
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uint8_t *dst_hint,
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unsigned short vid)
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{
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return batadv_send_skb_via_tt_generic(bat_priv, skb,
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BATADV_UNICAST_4ADDR,
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packet_subtype, dst_hint, vid);
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}
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#endif /* _NET_BATMAN_ADV_SEND_H_ */
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